Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[IPV6]: Clear up user copy warning in flowlabel code.
We are intentionally ignoring the copy_to_user() value,
make it clear to the compiler too.
Noted by Jeff Garzik.
Signed-off-by: David S. Miller <davem@davemloft.net>
+6
-4
net/ipv6/ip6_flowlabel.c
+6
-4
net/ipv6/ip6_flowlabel.c
···
535
535
if (err)
536
536
goto done;
537
537
538
-
/* Do not check for fault */
539
-
if (!freq.flr_label)
540
-
copy_to_user(&((struct in6_flowlabel_req __user *) optval)->flr_label,
541
-
&fl->label, sizeof(fl->label));
538
+
if (!freq.flr_label) {
539
+
if (copy_to_user(&((struct in6_flowlabel_req __user *) optval)->flr_label,
540
+
&fl->label, sizeof(fl->label))) {
541
+
/* Intentionally ignore fault. */
542
+
}
543
+
}
542
544
543
545
sfl1->fl = fl;
544
546
sfl1->next = np->ipv6_fl_list;